I Have Miles to Go Before I Sleep

According to my Fitbit it is 6:05 p.m., and so far today I have walked 4.02 miles; taken 9,589 steps, climbed three flights of stairs and burned 1,157 calories. "Hey Hey Joanne" reads the message on the device's diminutive rectangular screen.

"Hey Hey Joanne" seems to me a pretty ambiguous phrase and I am trying to parse its meaning as I walk our dog (that's another 227 steps). I'm wavering between "that's pretty good for a cold rainy Monday" and "9,589 steps? You call that moving?"...